Gorge is given two circles , circle O and circle X as shown. If he wants to prove that the two circles are similar, what would be the correct second step in his proof?

Write the rational number in lowest terms 99/-15

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective